Home / 1,293,738.40-1,940,348.40-619,818.40

Finding the Fourth Proportional to 1,293,738.40, 1,940,348.40 and 619,818.40

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Solution

The fourth proportional to 1,293,738.40, 1,940,348.40 and 619,818.40 is: 929,603.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,738.40 : 1,940,348.40 = 619,818.40 : x
  2. Step 2: Convert to fraction form
    1,293,738.40/1,940,348.40 = 619,818.40/x
  3. Step 3: Cross multiply
    1,293,738.40x = 1,940,348.40 × 619,818.40
  4. Step 4: Simplify right side
    1,293,738.40x = 1,202,663,640,730.56
  5. Step 5: Solve for x
    x = 1,202,663,640,730.56/1,293,738.40
  6. Step 6: Final answer
    x = 929,603.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.